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Home >> Volkswagen >> 2012 >> Routan S >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Non-DTC Based Diagnostics (Electrical Equipment - Automatic Transmission) >> 00 General, Technical Data >> HVAC >> HVAC Verification Test
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HVAC Verification Test

Perform the following procedures to verify that the repair(s) are valid:

-- Make sure that all accessories are turned off.

-- Make sure that the battery is fully charged.

-- Turn the ignition off to the lock position.

-- Disconnect all jumper wires and reconnect all previously disconnected components and connectors.

-- With the scan tool, record and erase all Diagnostic Trouble Codes (DTCs) from ALL modules.

-- Turn the ignition off, remove the scan tool from the DLC (Data Link Connector). Open the door and close the door. Wait a minimum 30 seconds, then turn the ignition on. Reconnect the scan tool.

NOTE:

Disconnecting the scan tool and opening and closing the door will allow the controller to enter into sleep mode.

-- With the scan tool perform the HVAC Actuator Calibration Test.

-- Start and run the engine for two minutes while operating all functions of the system that caused the original concern.

-- With the scan tool, check for DTCs in all modules.

Is the original condition still present or are there any other HVAC DTCs present?

Yes

No